Step into the future of hydraulic technology with Jiangsu KM Hydraulic Control System Co., Ltd.'s groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These components are not just parts; they represent a pinnacle of engineering mastery and avant-garde hydraulic innovation. With the power to seamlessly integrate pressure, flow, and directional control into one unified entity, they promise superb performance and steadfast reliability across all applications. Crafted with an eye for detail, these valves feature three core functional modules - connecting blocks, directional valves, and end plates - each meticulously crafted for perfect integration into elite hydraulic systems. They are indispensable to premier engineering machinery, precisely managing the direction and speed of hydraulic cylinders, motors, and other actuators with unmatched accuracy and command. Featuring a sleek and compact design, energy efficiency at its best, and stepless speed modulation, these valves allow multiple actuators to operate concurrently under varying loads, delivering exceptional performance and versatility across a multitude of applications.
The HLPSL valves are designed with precision for constant displacement pump systems, ensuring steadfast and reliable performance no matter the situation. In contrast, the HLPSV valves are adorned with meticulous engineering for variable pump systems. Although they may demonstrate a slightly slower response, HLPSV valves are unparalleled in their impressive energy-saving capabilities, making them the premier choice where efficiency is of utmost importance. These valves stand as a testament to state-of-the-art engineering and eco-friendly design, offering the ultimate solution in sophisticated hydraulic control. They seamlessly blend precision, steadfast reliability, and unmatched energy efficiency into a singular, cohesive package.
| References |
size 2 |
size 3 |
size 5 |
| Number of Directional Valve bank |
1~12 |
1~12 |
1~10 |
| Port access type |
thread connection |
thread connection |
thread connection |
| Flow code |
3,6,10,16,25,40 |
3,6,10,16,25,40,63,80 |
16,25,40,63,80,120,160 |
| Max.flow(L/min) |
54 |
100 |
210 |
| Max.pressure(bar) |
420 |
420 |
420 |
| Control Method |
Pilot circuit pressure(bar) |
20~40 |
20~40 |
20~40 |
| Manual force(N) |
≥2.3Nm |
≥1.3Nm |
≥3Nm |
| Working Pressure(ºC) |
-40~80 |
-40~80 |
-40~80 |
| Weight |
Connection Block (kg) |
1.7 |
4 |
8 |
| Directional Valve bank (kg) |
1.9 |
4 |
8 |
| End Plate (kg) |
0.5 |
1.5 |
2.5 |
| Fix mode |
thread connection M8 |
thread connection M8 |
thread connection M10 |
Installation Instructions
(1) Essential Connection Block Codes
HLPSL: Constant Displacement Pump - This resilient titan of performance reliability provides unwavering, consistent delivery, ensuring seamless and effective operations across your entire system.;
HLPSV: Variable Displacement Pump - The quintessential model of versatility and adaptability, this pump offers unparalleled flexibility to meet a wide array of operational demands with exceptional ease.;
(2) Connection Block Ports P & R Specifications - Where precision engineering meets reliability to form an enduring operational framework::
2-G3/8; Designed with compact efficiency in mind, it ensures smooth and unhindered operational flows.
3-G1/2; Crafted for robust performance and dependability, providing a strong foundation for sustaining your system's integrity.;
4-G3/4; With state-of-the-art connectivity, it offers superior control and enhances system integration seamlessly.;
5, 55-G1; With outstanding flow rates, it's ideal for high-demand applications, delivering consistent and reliable outcomes.;
6-G1 1/4; Offering unmatched performance, this component is expertly crafted to excel in challenging environments, overcoming obstacles effortlessly.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights of excellence::
C,Standard Type - A bastion of reliability, meticulously engineered to fulfill essential operational needs with precision.;
G,Throttle Valve (For HLPSL only) - Delivers precision control, significantly enhancing the system's overall efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Providing tailored pressure control solutions to meet diverse application needs with precision:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering bespoke solutions that seamlessly align with your specific operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing system efficiency and control with precision:C - Experience unmatched reliability with our no magnetic ball valve; F - Our normally open magnetic ball valve ensures pump pressurization when powered, seamlessly unloading when unpowered; D - The normally closed magnetic ball valve offers efficient pump unloading when powered and pressurization when unpowered, providing optimal performance in all scenarios.D/F - Elevate your safety standards with our precision-engineered pressure limiting valve, masterfully designed for secondary pressure (F50). This cutting-edge feature ensures adherence to advanced safety protocols, significantly enhancing operation security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Unleash groundbreaking adaptability and precision with customizable pressure settings ranging from 63 to 400 bar. This component epitomizes versatility, fully accommodating a diverse range of hydraulic needs. For seamless configurations, /NF signifies no pressure limiting valve, meticulously tailored for HLPSV, ensuring impeccable pressure management across a spectrum of applications.
(7) Product Series Classification - The Apex of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series stands as an engineering marvel, expertly crafted to cater to diverse applications, providing you with a product that aligns seamlessly with your precise needs.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; including ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, engineered with precision for seamless integration and flawless operation.
(9)Directional valve block inflow controller options: Choose from an array of sophisticated options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, designed specifically for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each delivering precise control with exceptional efficiency.
(10) Valve core function symbols: Explore a comprehensive selection of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to meet specific functional requirements.
(11) Output flow code for ports A & B: Achieve maximum efficiency with peak output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, expertly crafted to deliver superior performance and reliability.
(12) Secondary pressure limitation options: Opt for: N, no pressure limiting protection; C, simultaneous pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all measured in bar, ensuring uncompromising system safety.
(13) Function ON/OFF and pressure outlet options: Customize your system with unparalleled options: N, without function ON/OFF or pressure outlet; X, C type pressure limitation; S/S1, AB type pressure limitation; A, electrical ON/OFF on side A; B, electrical ON/OFF on side B, each option meticulously devised for precise control and functionality.
(14) Operation modes: Immerse yourself in our extensive selection of operation modes, designed for versatility and precision. Choose A(1,2) for manual operation with a long or short handle. Opt for E, offering electric proportional control. Experience EA(1,2), a seamless blend of electric proportional control and manual operation. Discover the precision of D, with electric switching value control, or DA(1,2), combining this control with manual operation. M offers manual friction positioning using a long handle. For pure hydraulic control, select H, which aligns pilot oil ports with A and B oil ports, or F, which features perpendicular pilot oil ports. Each mode is meticulously crafted to provide comprehensive and precise control.
(15) Ancillary block port sizes: Enhance your systems with our expertly crafted port size solutions, designed to ensure smooth integration and adaptability. Our range includes /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each option offers unrivaled flexibility and is meticulously tailored to meet your specific requirements with exceptional efficiency.
(16) End plate options: Explore our remarkable suite of end plate innovations, each precisely tailored for superior functionality. E1 establishes the benchmark with external pilot oil discharge and an external oil return control port T. E2 advances functionality with an additional port Y. Discover E3's groundbreaking design, incorporating a 2-position 3-way magnetic ball valve that elevates system pressure to premier safety valve levels when activated. This ensures superior performance and unmatched reliability.
E4, similar to E1, features internal pilot oil discharge and a sealed port T. E5 mirrors E2's excellence with enhanced internal discharge capabilities. Advance with E6, reflecting E3's innovative design. Each variant ensures superior discharge control, guaranteeing your system operates at maximum efficiency and optimal performance.
(17) Control voltage and anti-explosion cable options: Bolster your system's safety and reliability with our comprehensive suite of expertly tailored solutions. Select G12-12VDC, ideal for specialized applications demanding uncompromised safety and compatibility.G24: Choose this for unwavering performance and dependability, ensuring your system operates flawlessly.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Empower your strategic selection with these expertly engineered options, designed for peak efficiency and adaptability across a variety of challenging environments.12: Representing precision and reliability, this option is expertly tailored for seamless integration into your systems.bb621436: A code representing excellence, setting a benchmark in our innovative design.
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has illuminated the hydraulic industry with groundbreaking innovation and unparalleled excellence. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), we proudly stand as a distinguished national high-tech enterprise. Our expertise lies in the meticulous research, development, manufacturing, and sales of premium hydraulic components. Our esteemed designation as a national 'specialized, refined, and innovative' small giant enterprise underscores our unwavering commitment to technological advancement and superior quality. This relentless dedication positions us as frontrunners in our field.
Our enhanced Safety Atex Valve, the flagship product, embodies the pinnacle of advanced hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this versatile component is vital for high-stakes applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic collaborations with numerous leading domestic manufacturers, playing a pivotal role in localizing core hydraulic components for high-end mechanical equipment. Guided by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are resolute in our commitment to delivering exceptional products, services, and solutions. Our mission is to ascend as a globally trusted supplier of premier hydraulic components, setting new benchmarks of excellence worldwide.
Question:1. What about the lead time?
Answer:Typically, the lead time for production spans approximately one month after payment is received. During this crucial period, we embark on comprehensive preparations and uphold the highest standards of quality control, ensuring each product reaches you in pristine condition. Our unwavering devotion to achieving your complete satisfaction with our impeccable delivery is our foremost commitment.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We proudly offer an exceptionally low minimum order quantity, providing you with the unique advantage of ordering as little as a single piece for sample verification. This flexibility empowers you to kickstart your projects effortlessly, catering precisely to your exclusive needs with utmost convenience and precision.
Question:3. How to proceed with an order for LED lights?
Answer: Initiate your order by conveying your specific requirements or intended applications to us. We will then meticulously prepare a bespoke quote, tailored exclusively for your needs, either through your detailed inputs or our expert recommendations. Once the drawings are finalized and a deposit is made, we will formalize the order and commence production. We assure you that every specification will be met with precision, providing a seamless, customized solution that perfectly aligns with your vision.drawings,and place a deposit to formalize the order. Ultimately, we will organize production, guaranteeing that every detail is executed to perfection for a seamless and tailored solution.
Question:4. Is it OK to print my logo on the product?
Answer: Absolutely, this is entirely possible. Please ensure that you formally notify us before production begins and confirm the design according to the sample we provide. This ensures your branding is represented with outstanding precision and excellence, perfectly embodying your identity.
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